| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Registration plate issues | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Brake effort inadequate at a wheel lever returns to bar (1.2.1 (a) (i)) | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock throttle cable routed incorrectly |2.1.4| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Rear Rear position lamp missing |1.1.1a| | 1 |
| Front Front suspension assembly component missing Fork leg mount |2.3.1| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |